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http://dictionary.reference.com/browse/condescending
The teachers answer to my question was very condescending.
The teacher spoke in a condescending tone when addressing her students.
No. Assistant is a noun.
Condescend
To patronize or to be condescending towards.
patronizing
To patronize or to be condescending towards.
She gave a condescending look when he tried to explain the concept to her.
arrogant
Condescending or supercilious toward
Do you mean condescending? To speak condescendingly to someone is to speak down to them; like speaking to a child.
A) condescending